waski | b31e6582e5fb97003b1458fbfb6e18d905809b06248dd0a67b625de9d1ec5275

Analysis

max time kernel
150s
max time network
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 15:32

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-08-04_65d182a48847550053bd06bf2885c2a2_elex_wannacry.exe
Size 18KB
Sample260804-syxplahn2t
SHA256 b31e6582e5fb97003b1458fbfb6e18d905809b06248dd0a67b625de9d1ec5275
MD5 65d182a48847550053bd06bf2885c2a2
SHA1 466ed66362e2db210ad5e889c3cc42794d75d9f1
SHA512 282b30ed38cdcb1801beb9bc41b2d5f4fda5bd0aeb4a414a1d3227ae47897c8a3250bf14820384faa112e2c2168668aa4df4067d053fb35dd3fed4495ab35d91
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGiEloCFy3nL60:uTQWckBeEd6ml1pcg7F3GiElpd2z
TLSH
T1AB8295356BD55D73E3BBDBB596F7C1C66875742B2E03992E80481B882833A11DCA0F89
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery downloader waski

Malware Config

Signatures

Family: Waski
Waski is a trojan downloader written in C++.
downloader waski

Detects Waski payload 1 IoCs

resource	yara_rule
behavioral2/files/0x000600000001b85a-4.dat	family_waski

Executes dropped EXE 1 IoCs

pid	Process
4564	codecsupdater.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-04_65d182a48847550053bd06bf2885c2a2_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	codecsupdater.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4364 wrote to memory of 4564	4364	2026-08-04_65d182a48847550053bd06bf2885c2a2_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-04_65d182a48847550053bd06bf2885c2a2_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-04_65d182a48847550053bd06bf2885c2a2_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4364
- C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
  "C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4564

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

codecsupdater.exe

Path C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
Size 18KB
SHA256 ed4a7d934de95715ea9a53d7621a7c65b42ec1a81e4f4fa015feec0cec1c9ba0
MD5 3162f4e6f5a085680e42e65c218038f4
SHA1 21ff44976be0286d7e62aa9a55876138c87afed9
SHA512 244494843b9a775fd764f76167c9a685d4b48849adcc3784473805f8366a86d652fa655043d5016a898f22aa64b77c581b4416e706b6bf4f33065c09ca122c65
SSDEEP 192:uTk5WckBezHYQRPK6k7TjHwCl1oynzc2Fjmf2mrETLLC0qmg+jjGiEloCFy3nL6H:uTQWckBeEd6ml1pcg7F3GiElpd2Q
TLSH
T1698295356BD55D73E3BBDBB596F7C1C66875742B2E03992E80481B881833A11DC60F89
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download